21.   WHO, a U.N. agency, has cited ethical reasons for insisting that AIDS vaccine trials must be conducted in the country where the product was developed.

22.   Also, many researchers are uncomfortable with the ethical dilemma posed by the vaccine trials.

23.   Francis said that failure to practise safe sex, whether in a vaccine trial or not, is part of the cold reality of AIDS.

24.   He was later chosen by the National Poliomyelitis Foundation to evaluate the Salk polio virus vaccine clinical trials in New Jersey, Pennsylvania, Maryland, and Virginia.

25.   He was chosen by the National Poliomyelitis Foundation to evaluate the Salk polio virus vaccine clinical trials in New Jersey, Pennsylvania, Maryland, and Virginia.

26.   --SmithKline Beecham will expand its malaria vaccine program and begin vaccine trials in Africa for children, starting in Gambia as early as next fall.

27.   The first HIV vaccine trial in Thailand, by the Thai Red Cross, did not produce encouraging results.

28.   The new plan is aimed at dealing with problems created from the consequences of running several Aids vaccine trials in Thailand.

29.   The National Aids Committee yesterday approved a new scheme under the National Development Plan on Aids Vaccine to tighten the controls on human Aids vaccine trials.

30.   The NIH is sponsoring two HIV preventative vaccine trials, one in Thailand and one in the United States.